package com.hdmall.business.common.util;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

/**
 * http请求工具包
 * @author rayson517
 *
 */
public class HttpKit {
    
    public static String Get(String url, String username, String password) throws IOException{
        // 发送http请求数据
        // 创建HttpClientBuilder
        HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
        // 设置BasicAuth
        CredentialsProvider provider = new BasicCredentialsProvider();
        // Create the authentication scope
        AuthScope scope = new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT, AuthScope.ANY_REALM);
        // Create credential pair，在此处填写用户名和密码
        UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
        // Inject the credentials
        provider.setCredentials(scope, credentials);
        // Set the default credentials provider
        httpClientBuilder.setDefaultCredentialsProvider(provider);
        // HttpClient
        CloseableHttpClient closeableHttpClient = httpClientBuilder.build();
        
        String result = "";
        HttpGet httpGet = null;
        HttpResponse httpResponse = null;
        HttpEntity entity = null;
        httpGet = new HttpGet(url);
        try {
            httpResponse = closeableHttpClient.execute(httpGet);
            entity = httpResponse.getEntity();
            if( entity != null ){
                result = EntityUtils.toString(entity);
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        // 关闭连接
        closeableHttpClient.close();
        
        return result;
    }
    
}
